Specifications

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Culligan knows the more informed you are about your water treatment systems, the more condent you will be
about its performance. It’s because of this and more than seventy years of commitment to customer satisfaction that
Culligan is providing this Performance Data Sheet to its customers.
Important Notice: Read this Performance Data Sheet and compare the capabilities of this unit with your actual
water treatment needs. It is recommended that before purchasing a water treatment unit, you have your water
supply tested to determine your actual water treatment needs.
Manufacturer: Culligan International Company
9399 W. Higgins Rd., Suite 1100, Rosemont, IL 60018 USA
[phone]
Product: Culligan High Efciency Twin 10” Water Softener
with Soft-Minder
®
Meter
Testing Conditions & Results:
Flow Rate: 9.4 gpm @ 12 psi Capacity: 26,781 grains @ 6.0 lb. salt
Pressure: 30 - 40 psi (2.1–2.8 kg/cm
2
) 40,666 grains @ 12.0 lb. salt
Acidity: Non-Corrosive 47,604 grains @ 18.0 lb. salt
Temperature: 68°F (20°C) pH: 7.6
Efciency Rated Dosage†: 4,460 gr/lb
Softener Specications:
Max. Flow Rate: 9.4 gpm Pressure Drop at Max. Flow Rate: 12 psi
Operating Temp. Range: 33-125°F (0.6–51.7°C) Max. Drain Flow Rate: 2.5 gpm
Working Press. Range: 20–120 psi (1.4–8.5 kg/cm
2
) Oper. Press. Range (Canada): 20–90 psi (1.4–6.3 kg/cm
2
)
The Culligan High Efciency Twin 10” Water Softeners with Soft-Minder
®
Meter are tested and certied by WQA
against NSF/ANSI Standard 44 for the effective reduction of hardness (calcium and magnesium) as veried and
substantiated by test data.
An efciency rated water softener is a DIR softener which also complies with specic performance specications
intended to minimize the amount of regenerant brine and water used in its operation. Efciency rated water
softeners shall have a rated salt efciency of not less than 3350 grains of total hardness exchange per pound of salt
(based on NaCl equivalency) (477 grams of total hardness exchange per kilogram of salt), and shall not deliver
more salt than its listed rating. The efciency is measured by a laboratory test described in NSF/ANSI 44. The test
represents the maximum possible efciency the system can achieve. Operational efciency is the actual efciency
achieved after the system has been installed. It is typically less than the efciency due to individual application
factors including water hardness, water usage, and other contaminants that reduce the softener’s capacity.
Refer to the Specications, Familiarization and Warranty section of this Owner’s Guide for more specic product
information. To avoid contamination from improper handling and installation, your system should only be installed
and serviced by your Culligan Man. Performance will vary based on local water conditions. The substances reduced
by this system are not necessarily in your water.
Culligan water softeners are designed to work with any salt of good quality, although it is recommended that you
ask your local Culligan Man for his suggestion on the best type and grade of salt to use in this softener.
Notice: This softener is not intended to be used for treating water that is microbiologically unsafe or of unknown
quality without adequate disinfection before or after the system.
† The efciency rated dosage is only valid at the 6lb. salt dosage and maxmum service ow rate for 10” models.
Buyer Signature _______________________________________________________________ Date _________________
Seller Signature _______________________________________________________________ Date _________________
Performance
Data Sheet
Culligan High
Efciency Twin 10”
Water Softener with
Soft-Minder
®
Meter